[填空题]
A person exerts a fo.q1r(gd 8ud cjfxg31nm) :j +stdkmc/mgn ;3urtt. r (ww+lspry5thzx9yqy /)v 5ud s3ud;n*)ce of 55 N on the end of a door 74 cm wide. What is the magny.vq*suy9x))up+ nswwl5 rd53h/ r;zd ytt (t itude of the torque if the force is exerted (a) perpendicular to the door $m \cdot N$ (b) at a 45 $^{\circ} $ angle to the face of the door? $m \cdot N$
Post time 2025-2-18 20:00:22
